libam7xxx  0.1
Communication library for Actions Micro AM7XXX based USB projectors and DPFs
serialize.c
1 /* am7xxx - communication with AM7xxx based USB Pico Projectors and DPFs
2  *
3  * Copyright (C) 2012-2014 Antonio Ospite <ao2@ao2.it>
4  *
5  * This program is free software: you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation, either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
17  */
18 
19 #include <string.h>
20 
21 #include "portable_endian.h"
22 #include "serialize.h"
23 
24 uint8_t get_8(uint8_t **bufferp)
25 {
26  uint8_t tmp;
27 
28  tmp = *bufferp[0];
29  *bufferp += 1;
30 
31  return tmp;
32 }
33 
34 uint32_t get_le32(uint8_t **bufferp)
35 {
36  uint32_t tmp;
37 
38  memcpy(&tmp, *bufferp, sizeof (tmp));
39  *bufferp += sizeof (tmp);
40 
41  return le32toh(tmp);
42 }
43 
44 uint8_t *put_8(uint8_t value, uint8_t **bufferp)
45 {
46  *bufferp[0] = value;
47  *bufferp += 1;
48 
49  return *bufferp;
50 }
51 
52 uint8_t *put_le32(uint32_t value, uint8_t **bufferp)
53 {
54  uint32_t tmp;
55 
56  tmp = htole32(value);
57  memcpy(*bufferp, &tmp, sizeof (tmp));
58  *bufferp += sizeof (tmp);
59 
60  return *bufferp;
61 }